Materials Literature
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Two cholic acid (ChA) analogues, containing a 4-nitrobenzo-2-oxa-1,3-diazole (NBD) moiety at C-3, were incorporated into ChA aggregates and submitted to fluorescence quenching by the two enantiomers of several tryptophan derivatives. In all cases, a significant stereodifferentiation was observed; the most remarkable e…
The article provides a review of the current state of application of seasonal cooling devices for the Northern facilities' construction. Layout diagrams of the devices in the structures of bases and foundations of buildings and constructions are provided. Comparison of thermal fields of soil bases is given by an examp…
We have used molecular dynamics to simulate various systems of polymer chains and Lennard-Jones molecules; the neighboring monomers along a polymer chain are connected by rigid bonds or spring of strength kspring. We find that the velocity distributions of monomers in a wide range of simulation time can be well descri…
Purpose: Paper presents results of investigations with two layers explosively formed sandwich composite consisting of different composition joint which requires very often knowledge of structure and mechanical properties. These properties are connected with microstructure that is influenced by technological factors un…
Article SOFT TEMPLATE SYNTHESIS OF Fe(II,III), Co(II,III), Ni(II) AND Cu(II) METALMACROCYCLIC COMPOUNDS IN GELATIN-IMMOBILIZED MATRIX IMPLANTS was published on July 1, 2010 in the journal Reviews in Inorganic Chemistry (volume 30, issue 4).
The beltline weld on the reactor pressure vessel of Ringhals units 3 and 4 has a lifetime estimate of 40 years under the current operating conditions. In the event of power up rates and lifetime extension the irradiation embrittlement of the beltline weld may be a limiting condition. One way to solve this problem is t…
The monograph offers a synthetic approach to state-of-the-art surface texturing with a focus on the formation process and the properties of the surface layer. In the introduction, the author observes that the advances in the beam technologies have enabled effective processing in microregions and, accordingly, surface…
The crustacean zooplankton in Chilean inland waters is characterized by low numbers of species and a marked predominance of calanoid copepods. This pattern has been observed for northern Chilean lakes, the large, deep lakes in, and shallow ponds in central and southern Patagonia. The species reported are both cosmopol…
Cross-linked films of gelatin (Gel), casein (Cas) and their (1:1, m/m) mixture (Gel/Cas) were studied in terms of their thermal, morphological and water absorption properties and the permeation profile of p-hydroxyacetanilide (p-HAA) as a model drug. The degrees of cross-linking by 1-ethyl-3-(3-dimethylaminopropyl) ca…
Mechanistic–empirical pavement design relies on empirical transfer functions to convert stresses and strains (from mechanistic analyses) to an allowable number of load repetitions until an acceptable limit of damage occurs. One method of determining transfer function for bottom-up fatigue cracking is to perform labora…
Cardiolipin is a unique phospholipid of the mitochondrial inner membrane. Its peroxidation correlates with release of cytochrome c and induction of apoptosis. The phthalocyanine photosensitizer Pc 4 binds preferentially to the mitochondria and endoplasmic reticulum. Earlier Förster resonance energy transfer studies sh…
Physicochemical properties of apatites are affected dramatically by the substitution of trace elements. Especially, biological apatites constituting bone and teeth contain several wt% of CO(3)(2- )ions, which are related to the crystallinity and solubility. Recently, scaffold biomaterials are being developed with a sh…
Abstract Gas sensing performance of optical fibers coated with nano-platelet tungsten trioxide (WO 3 ) films and catalytic palladium (Pd) layers were investigated for low concentration hydrogen gas (H 2 ). Nano-platelet WO 3 film was formed on the tip of the multimode optical fiber via acid treatment of RF sputtered t…
Soldiers can wear chemical, biological, radiological and nuclear (CBRN) protective clothing to be protected against warfare agents. The disadvantage of that clothing is that higher protection introduces higher physiological burden. Therefore an optimum between comfort and protection must be found. Models of all releva…
Single‐photon as well as polarization‐correlated photon pair emission from a single semiconductor quantum dots is demonstrated. Single photon generation and single photon‐pair generation with little uncorrelated multiphoton emission and the feasibility of media conversion of the quantum states between photon polarizat…
Emission Mössbauer spectroscopy is about three orders of magnitude more sensitive than the conventional absorption mode, thereby allowing parts per million substitution of 57Co at the Cu or Mn active site without perturbing the finely-tuned material. 57Co faithfully probes the behavior of Cu-based high temperature sup…
The analysis of а and b chlorophylls, β-carotene, and xanthophylls in the cells of green algae-photobionts from genera Asterochloris, Myrmecia, Trebouxia and Trentepohlia had shown the heterogeneity of their pigment content both on generic and specific levels. For genera Trebouxia and Myrmecia pigment content was iden…
The synthesis and characterization of the manganese(II) complexes [MnII(Hbpeten)] and [MnII(Hbnbpeten)], where H3bpeten and H3bnbpeten are respectively [N,N'-bis-(2-hydroxybenzyl)-N-(2-pyridylmethyl)-N'-(2-hydroxyethyl)ethane-1,2-diamine] and [N,N'-bis-(5-nitro-2-hydroxybenzyl)-N'-(2-hydroxyethyl)ethane-1,2-diamine],…
Several pentasil-type zeolites with different Si/Al ratios and different channels dimensions have been dealuminated in acidic medium by conventional heating and under microwaves for comparison. Microwaves led to faster dealumination than conventional heating, and provoked differences in the acidic and surface properti…
Sol–gel derived bioactive glasses are thought to have high potential as materials for bone regeneration and drug delivery devices. They bond to bone and have a controllable degradation rate. Their unique nanoporosity provides high surface area and exposes a high concentration of surface hydroxyl groups. Protein adsorp…